Effect of Different Dietary Protein Level on Metabolism of Nitrogen, Phosphorus and Energy in Growing Pigs Fed Amino Acid Balance Diets是什么意思_Effect of Different Dietary Protein Level on Metabolism of Nitrogen, Phosphorus and Energy in Growing Pigs Fed Amino Acid Balance Diets在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句